1389570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 4112640

約数和(自身を除く): 2723070

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 509, 546, 910, 1018, 1365, 1527, 2545, 2730, 3054, 3563, 5090, 6617, 7126, 7635, 10689, 13234, 15270, 17815, 19851, 21378, 33085, 35630, 39702, 46319, 53445, 66170, 92638, 99255, 106890, 138957, 198510, 231595, 277914, 463190, 694785, 1389570]

約数ペア:

[(1, 1389570), (2, 694785), (3, 463190), (5, 277914), (6, 231595), (7, 198510), (10, 138957), (13, 106890), (14, 99255), (15, 92638), (21, 66170), (26, 53445), (30, 46319), (35, 39702), (39, 35630), (42, 33085), (65, 21378), (70, 19851), (78, 17815), (91, 15270), (105, 13234), (130, 10689), (182, 7635), (195, 7126), (210, 6617), (273, 5090), (390, 3563), (455, 3054), (509, 2730), (546, 2545), (910, 1527), (1018, 1365)]